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System Test "F" No Communication With DSM

WARNING: This page is about a different car, the 1997 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check Power Supply  - Disconnect driver seat module connector C362. Using a voltmeter, check voltage at Red wire of driver seat module harness connector C362. If battery voltage does not exist, go to next step. If battery voltage exists, go to step 4).
  2. Check Light Green/Purple Wire  - Remove fuse No. 13 from power distribution box in engine compartment. Check resistance in Red wire between driver seat module harness connector C362 and ground. If resistance is greater than 10,000 ohms, go to next step. If resistance is 10,000 ohms or less, repair short in Red wire and replace fuse.
  3. Check Power Supply To Fuse  - Using a voltmeter, check voltage at input side of fuse No. 13. If battery voltage exists, repair open in Red wire. If battery voltage does not exist, repair open in Red wire between power distribution box and battery.
  4. Check Black/Light Green Wire  - Check resistance in Black wire between driver seat module harness connector C362 and ground. If resistance is greater than 5 ohms, repair open in Black wire. If resistance is 5 ohms or less, test module communications. See MODULE COMMUNICATIONS NETWORK article.
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